EXHIBIT 12.1

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

TEXAS INDUSTRIES, INC. AND SUBSIDIARIES



|                                                                                                  |  |                              |        |   |                    |   |         |      |  |   |        |   |      |   |        |  |      |        |  |   |        |  |   |        
|------------------------------------------------------------------------------------------------- |  | ---------------------------- | ------ | - | ------------------ | - | ------- | ---- |  | - | ------ | - | ---- | - | ------ |  | ---- | ------ |  | - | ------ |  | - | -------
|In thousands except ratios                                                                        |  | Three Months endedAugust 31, |        |   | Year Ended May 31,
|                                                                                                  |  | 2006                         |        |   | 2005               |   |         | 2006 |  |   | 2005   |   | 2004 |   | 2003   |  | 2002
|Earnings                                                                                          |  |                              |        |   |                    |   |         |      |  |   |        |   |      |   |        |  |      |        |  |   |        |  |   |        
|Income (loss) from continuing operations before income taxes and changes in accounting principles |  | $                            | 43,265 |   |                    | $ | (92,972 | )    |  | $ | (8,814 | ) |      | $ | 62,255 |  | $    | 59,096 |  | $ | 40,650 |  | $ | 75,577 
|Fixed charges                                                                                     |  |                              | 8,630  |   |                    |   | 10,749  |      |  |   | 38,929 |   |      |   | 30,044 |  |      | 31,240 |  |   | 21,058 |  |   | 26,771 
|Amortization of capitalized interest                                                              |  |                              | 275    |   |                    |   | 275     |      |  |   | 1,100  |   |      |   | 1,100  |  |      | 1,100  |  |   | 1,100  |  |   | 1,100  
|Less: Interest capitalized                                                                        |  |                              | (1,760 | ) |                    |   |        |      |  |   | (1,526 | ) |      |   |       |  |      |       |  |   |       |  |   |       
|                                                                                                  |  |                              |        |   |                    |   |         |      |  |   |        |   |      |   |        |  |      |        |  |   |        |  |   |        
|Adjusted earnings                                                                                 |  | $                            | 50,410 |   |                    | $ | (81,948 | )    |  | $ | 29,689 |   |      | $ | 93,399 |  | $    | 91,436 |  | $ | 62,808 |  | $ | 103,448
|                                                                                                  |  |                              |        |   |                    |   |         |      |  |   |        |   |      |   |        |  |      |        |  |   |        |  |   |        
|Fixed charges                                                                                     |  |                              |        |   |                    |   |         |      |  |   |        |   |      |   |        |  |      |        |  |   |        |  |   |        
|Interest expense                                                                                  |  | $                            | 5,195  |   |                    | $ | 8,835   |      |  | $ | 29,703 |   |      | $ | 21,824 |  | $    | 21,012 |  | $ | 11,025 |  | $ | 15,433 
|Interest capitalized                                                                              |  |                              | 1,760  |   |                    |   |        |      |  |   | 1,526  |   |      |   |       |  |      |       |  |   |       |  |   |       
|Net amortization of debt discount, premium and issuance expense                                   |  |                              | 347    |   |                    |   | 429     |      |  |   | 1,452  |   |      |   | 1,709  |  |      | 3,090  |  |   | 3,802  |  |   | 4,346  
|Interest portion of rent expense                                                                  |  |                              | 1,328  |   |                    |   | 1,485   |      |  |   | 6,248  |   |      |   | 6,511  |  |      | 7,138  |  |   | 6,231  |  |   | 6,992  
|                                                                                                  |  |                              |        |   |                    |   |         |      |  |   |        |   |      |   |        |  |      |        |  |   |        |  |   |        
|Total fixed charges                                                                               |  | $                            | 8,630  |   |                    | $ | 10,749  |      |  | $ | 38,929 |   |      | $ | 30,044 |  | $    | 31,240 |  | $ | 21,058 |  | $ | 26,771 
|                                                                                                  |  |                              |        |   |                    |   |         |      |  |   |        |   |      |   |        |  |      |        |  |   |        |  |   |        
|Ratio of earnings to fixed charges                                                                |  |                              | 5.84   |   |                    |   | (7.62   | )    |  |   | .76    |   |      |   | 3.11   |  |      | 2.93   |  |   | 2.98   |  |   | 3.86   
|                                                                                                  |  |                              |        |   |                    |   |         |      |  |   |        |   |      |   |        |  |      |        |  |   |        |  |   |        
|Deficiency of earnings to cover fixed charges                                                     |  | $                            |       |   |                    | $ | 92,697  |      |  | $ | 9,240  |   |      | $ |       |  | $    |       |  | $ |       |  | $ |       
|                                                                                                  |  |                              |        |   |                    |   |         |      |  |   |        |   |      |   |        |  |      |        |  |   |        |  |   |